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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A100354 Maximal number of 1432 patterns in a permutation of 1,2,...,n.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 4
6 10
7 20
8 40
9 70
10 112
11 168
12 252
13 360
14 495
15 661
16 881
17 1145
18 1457
19 1824
20 2279
21 2804
22 3404
23 4090
24 4906
25 5824
26 6850
27 8000
28 9330
29 10800
30 12417
31 14208
32 16232
33 18440
34 20840
35 23470
36 26395
37 29554
38 32956
39 36652
40 40712
41 45062
42 49712
43 54728
44 60184

List of values

[0, 0, 0, 1, 4, 10, 20, 40, 70, 112, 168, 252, 360, 495, 661, 881, 1145, 1457, 1824, 2279, 2804, 3404, 4090, 4906, 5824, 6850, 8000, 9330, 10800, 12417, 14208, 16232, 18440, 20840, 23470, 26395, 29554, 32956, 36652, 40712, 45062, 49712, 54728, 60184]